Top Science News

July 21, 2026

Top Headlines

Watching Too Much TV in Midlife May Shrink the Brain

July 21, 2026 Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 adults, frequent TV viewers later showed smaller brain regions involved in memory, decision-making, and visual processing, ...

Ancient Mystery on K’gari as World’s Largest Sand Island Lakes Dried Up During Rainy Era

July 21, 2026 Ancient sediment reveals that some of K’gari’s deepest lakes vanished around 7,500 years ago, despite unusually heavy rainfall. The surprising discovery suggests changing winds and future climate ...

China’s Chang’e-6 Reveals Why Solar Wind Hits the Moon’s Two Sides Differently

July 21, 2026 China’s Chang’e-6 samples have uncovered a surprising difference between the Moon’s two hemispheres. Solar wind particles penetrated deeper into the far-side soil because Earth’s ...

Astronomers Find the First Atmosphere on a Rocky World in the Habitable Zone

July 21, 2026 Astronomers have found the first confirmed atmosphere around a rocky planet in another star’s habitable zone. The planet, LHS 1140 b, revealed its atmosphere through helium slowly leaking into ...

Ancient DNA Reveals a Chilling Secret at China’s 4,000-year-old Shimao City

July 21, 2026 Ancient DNA from China’s vast 4,000-year-old Shimao settlement is revealing how one of East Asia’s earliest complex societies was organized. Researchers found that its people were largely ...

A Hidden “Switch-off” Signal Could Predict Solar Storms Seven Years Early

July 21, 2026 A newly discovered turning point in the Sun’s 11-year cycle could allow scientists to predict future solar activity years earlier than before. At this “switch-off” point, the most violent space ...

Scientists Found Mystery Bacteria Inside One of the Ocean’s Most Elusive Whales

July 21, 2026 Scientists studying decades of pygmy sperm whale strandings have uncovered three previously unknown types of Helicobacter bacteria hiding in the animals’ stomachs. All four infected whales showed ...

New Molecular Map Reveals How the Flu Virus Hijacks Human Cells

July 21, 2026 Scientists uncovered how influenza A commandeers human cells, including a surprising strategy that dissolves tiny structures in the nucleus and releases proteins the virus may use to reproduce. The detailed molecular map could reveal new drug ...

This Food Compound May Help Vaccines Work Better in Older Adults

July 20, 2026 A naturally occurring compound found in foods such as wheat germ, mushrooms, and aged cheese may help older adults build stronger protection after vaccination. In a small pilot trial, researchers gave spermidine supplements to adults over 65 ...

Dying Sun-like Stars May Kick Themselves Through Space

July 20, 2026 Dying Sun-like stars may not fade away quietly. As blobs of gas erupt unevenly from their swollen surfaces, each burst gives the star a tiny push in the opposite direction. Thousands of these random kicks could eventually break apart distant stellar ...

New Quantum Gravity Theory Links Entropy, Dark Energy, and Life

July 20, 2026 A new theoretical study offers a possible explanation for how the Universe can grow more complex without violating the second law of thermodynamics. Using a quantum gravity framework called Gravity from Entropy, mathematician Ginestra Bianconi found ...

New Antibody Drug Stops Aggressive Prostate Cancer from Spreading

July 20, 2026 Scientists have developed a fully human antibody that halted the growth and spread of aggressive prostate cancer in preclinical research. Although more testing is needed, the drug’s unusual mechanism could open the door to a safer new treatment ...

Latest Headlines

updated 9:30am EDT

Some Dinosaurs Could Rise Like Giants Until They Grew Too Big

July 20, 2026 Two elephant-sized South American sauropods were unusually well built for standing on their hind legs. Digital tests showed that their robust femurs handled the enormous forces better than those of ...

Alzheimer’s Breakthrough: Scientists Restore Two Hours of Sleep Without Clearing Brain Plaques

July 20, 2026 Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid ...

An Ordinary Laptop Solved a Problem Thought to Require a Quantum Computer

July 20, 2026 A quantum problem once described as impossible for classical computers has now been solved using relatively modest hardware. Researchers used tensor networks to compress the overwhelming wave ...

UCLA Scientists Develop Mineral Sunscreen Without the Chalky White Cast

July 19, 2026 Scientists have redesigned zinc oxide particles to create a mineral sunscreen that protects against ultraviolet radiation without leaving such a noticeable white cast. The SPF 30 formula could make ...

Scientists Found Two Powerful New Ways to Destroy Forever Chemicals

July 19, 2026 Scientists are testing two promising ways to destroy PFAS, the stubborn “forever chemicals” that can accumulate in water and resist normal treatment. One method uses collapsing vapor bubbles to ...

A Tiny Universe in a Bottle Reveals Clues to the Origins of Life

July 19, 2026 Researchers have created cosmic dust from scratch by recreating space-like conditions inside glass tubes. The dust contains complex carbon-rich molecules built from elements essential to life and ...

The Mysterious Hum Heard Around the World May Finally Have an Explanation

July 19, 2026 The mysterious sound known as The Hum has been reported worldwide for decades, yet its source often remains impossible to find. Researchers tested whether people who hear it have exceptional ...

Scientists Just Discovered a Lost Branch of Australia’s Marsupials

July 19, 2026 Fossils from Queensland suggest a newly recognized marsupial order may have survived in Australia for around 35 million years, rewriting part of the story of how the continent's unique mammals ...

Scientists Identify the Rare Meteorite That Killed the Dinosaurs 66 Million Years Ago

July 19, 2026 The asteroid that wiped out the dinosaurs was likely an exceptionally rare CO chondrite from a distant region of the solar system. Its unusual ...

Common Antidepressant May Ease Long COVID’s Crushing Fatigue

July 18, 2026 A low-cost antidepressant may offer new hope for people struggling with long COVID fatigue. In a randomized clinical trial involving 399 adults, fluvoxamine significantly reduced fatigue and improved ...

A Shattered Asteroid May Have Bombarded Earth 800 Million Years Ago

July 18, 2026 A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million years ago. The debris was launched from near a gravitational gateway ...

NASA’s James Webb Catches a Supermassive Black Hole Feeding

July 17, 2026 JWST has captured unusually detailed images of gas feeding the supermassive black hole at the center of NGC 4696. A vast filament appears to funnel material into an 800-light-year-wide spinning disk, ...

This Ancient Sea Worm Has “bio-Metal” Jaws Unlike Anything Scientists Have Seen

July 16, 2026 An ancient sea worm may hold the secret to a whole new category of natural materials. Its jaws combine proteins and metal ions in a way that gives them metal-like strength and unusual mechanical ...

This Pet Gecko Could Help Scientists Unlock the Secrets of Cancer

July 15, 2026 An unusual leopard gecko that naturally develops aggressive tumors may become an important new model for cancer research. Scientists found its tumors share key genetic changes with human cancers, ...

Scientists Finally Solved Why Some Frogs Survive a Deadly Fungus

July 14, 2026 A deadly fungus has wiped out amphibian populations around the globe, yet some mysteriously recover. Researchers discovered that survivors develop powerful immune defenses while they are still ...

“Silly Sprinklers” Help Scientists Finally Solve Feynman’s Famous Sprinkler Mystery

July 17, 2026 A team of mathematicians used whimsical "silly sprinklers" to solve a physics mystery that has puzzled scientists for decades. Their experiments showed that the rotation of both normal and ...

Quantum Breakthrough Links Light and Magnetism in Atomically Thin Materials

July 16, 2026 A new review highlights exciting progress in atomically thin quantum materials where light and magnetism work together in ways never before possible. In these materials, light-generated excitons can ...

Astronomers Just Found Four Hidden White Dwarf Stars Near Earth

July 15, 2026 Four nearby white dwarf stars have been discovered hiding in plain sight beside brighter red dwarf companions. Hubble's ultraviolet observations finally revealed the long-hidden stellar ...

Scientists Finally Solved the Mystery of Earth's Greatest Mass Extinction

July 12, 2026 Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in Earth's greatest mass extinction, when warming oceans and falling oxygen ...

Physicists Recreate Black Hole Energy Extraction in the Lab

July 12, 2026 Researchers have recreated the physics of extracting energy from a spinning black hole using a stationary device that produces synthetic ultrafast rotation. The achievement transforms a long-standing ...

New Alzheimer's Drug Repairs DNA Damage and Reduces Brain Inflammation

July 17, 2026 A drug originally developed for spinal cord injury may offer a fresh approach to treating Alzheimer’s disease. In mouse studies, KCL-286 repaired dangerous DNA damage, reduced inflammation, and ...

Incredible New Material Makes Heat Programmable

July 7, 2026 A newly developed material can control and "program" heat, allowing it to direct thermal radiation, switch modes, and remember its settings without continuous power. The innovation could ...

These Ancient Quasars Shouldn't Exist So Soon After the Big Bang

July 7, 2026 Astronomers have uncovered 31 of the oldest known quasars, including the two earliest ever detected, shining from a time when the universe was only about 670 million years old. Powered by ...

Scientists Used AI to Crack One of Water's Biggest Mysteries

July 8, 2026 Water’s odd behavior becomes even more dramatic when it is supercooled, but scientists have struggled to compare the many different ways of describing its microscopic structure. Researchers at the ...

NASA's Hubble Spots a Stellar Sparkler for the Fourth of July

July 5, 2026 NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden ...

NASA's Hubble Captures a Crimson Stellar Nursery Sparkling With Blue and White Stars

July 5, 2026 Hubble has captured a spectacular view of LH 95, where about 2,500 young stars are still on their journey to becoming full-fledged stars. Scientists discovered these growing stars can keep pulling in ...

NASA's Hubble Captures a Star-Spangled Sea of 500,000 Stars

July 4, 2026 Celebrating the United States' 250th anniversary, NASA released a stunning Hubble portrait of Messier 3, an ancient globular cluster with more than 500,000 stars. The remarkable cluster is ...

Stephen Hawking's Black Hole Laws Just Got a Major Upgrade

July 13, 2026 Scientists have developed a new framework that could finally apply the laws of thermodynamics to real, ever-changing black holes instead of only perfectly stable ones. The advance may improve our ...

New Research Reveals the Hidden Pollution Left Behind by Fireworks

July 3, 2026 Scientists have uncovered new evidence that fireworks can pollute both the air and water in ways that extend beyond the visible smoke. The findings show that leftover debris, fine particles, and ...

Scientists Finally Crack Nature's Secret for Building Better Cancer Drugs

July 8, 2026 Researchers have cracked the code behind bacteria's ability to naturally manufacture multiple versions of powerful anti-cancer drugs. The discovery could make it much easier to engineer new ...